Robison's Manual of radio telegraphy and telephony for the use of naval electricians (1918)
Robison, S. S. (Samuel Shelburne), b. 1867, United States Naval Institute, Todd, David Wooster, Hooper, Stanford Caldwell · Annapolis, Md. : The United States Naval Institute · leaf 150
g aerial to be a good radiator, butnot so good that it will give a whip crack discharge. We want its oscilla-tions to be persistent enough to require for their best reception a receivingaerial tuned to the period of the sender, and as a present standard wehave set for the sender a damping… … Fio. 92.—Standard Receiving Set. as possible; but to so combine the energy of the fifteen waves that thehighest maximum is produced in the aerial, and transferred to the closedreceiving circuit. If the sending aerial is coupled so as to send out waves of two lengths,there appears to be no question…